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Replace "Replacable" with "Replaceable". [NFC]

llvm-svn: 336133
This commit is contained in:
Alina Sbirlea 2018-07-02 18:53:40 +00:00
parent d9ba18363e
commit 00ebfcda42

View File

@ -690,7 +690,7 @@ bool llvm::canSinkOrHoistInst(Instruction &I, AAResults *AA, DominatorTree *DT,
/// This is true when all incoming values are that instruction.
/// This pattern occurs most often with LCSSA PHI nodes.
///
static bool isTriviallyReplacablePHI(const PHINode &PN, const Instruction &I) {
static bool isTriviallyReplaceablePHI(const PHINode &PN, const Instruction &I) {
for (const Value *IncValue : PN.incoming_values())
if (IncValue != &I)
return false;
@ -820,12 +820,12 @@ CloneInstructionInExitBlock(Instruction &I, BasicBlock &ExitBlock, PHINode &PN,
return New;
}
static Instruction *sinkThroughTriviallyReplacablePHI(
static Instruction *sinkThroughTriviallyReplaceablePHI(
PHINode *TPN, Instruction *I, LoopInfo *LI,
SmallDenseMap<BasicBlock *, Instruction *, 32> &SunkCopies,
const LoopSafetyInfo *SafetyInfo, const Loop *CurLoop) {
assert(isTriviallyReplacablePHI(*TPN, *I) &&
"Expect only trivially replacalbe PHI");
assert(isTriviallyReplaceablePHI(*TPN, *I) &&
"Expect only trivially replaceable PHI");
BasicBlock *ExitBlock = TPN->getParent();
Instruction *New;
auto It = SunkCopies.find(ExitBlock);
@ -868,7 +868,7 @@ static void splitPredecessorsOfLoopExit(PHINode *PN, DominatorTree *DT,
assert(ExitBlockSet.count(ExitBB) && "Expect the PHI is in an exit block.");
// Split predecessors of the loop exit to make instructions in the loop are
// exposed to exit blocks through trivially replacable PHIs while keeping the
// exposed to exit blocks through trivially replaceable PHIs while keeping the
// loop in the canonical form where each predecessor of each exit block should
// be contained within the loop. For example, this will convert the loop below
// from
@ -880,7 +880,7 @@ static void splitPredecessorsOfLoopExit(PHINode *PN, DominatorTree *DT,
// %v2 =
// br %LE, %LB1
// LE:
// %p = phi [%v1, %LB1], [%v2, %LB2] <-- non-trivially replacable
// %p = phi [%v1, %LB1], [%v2, %LB2] <-- non-trivially replaceable
//
// to
//
@ -891,10 +891,10 @@ static void splitPredecessorsOfLoopExit(PHINode *PN, DominatorTree *DT,
// %v2 =
// br %LE.split2, %LB1
// LE.split:
// %p1 = phi [%v1, %LB1] <-- trivially replacable
// %p1 = phi [%v1, %LB1] <-- trivially replaceable
// br %LE
// LE.split2:
// %p2 = phi [%v2, %LB2] <-- trivially replacable
// %p2 = phi [%v2, %LB2] <-- trivially replaceable
// br %LE
// LE:
// %p = phi [%p1, %LE.split], [%p2, %LE.split2]
@ -975,14 +975,14 @@ static bool sink(Instruction &I, LoopInfo *LI, DominatorTree *DT,
}
VisitedUsers.insert(PN);
if (isTriviallyReplacablePHI(*PN, I))
if (isTriviallyReplaceablePHI(*PN, I))
continue;
if (!canSplitPredecessors(PN, SafetyInfo))
return Changed;
// Split predecessors of the PHI so that we can make users trivially
// replacable.
// replaceable.
splitPredecessorsOfLoopExit(PN, DT, LI, CurLoop, SafetyInfo);
// Should rebuild the iterators, as they may be invalidated by
@ -1017,9 +1017,9 @@ static bool sink(Instruction &I, LoopInfo *LI, DominatorTree *DT,
PHINode *PN = cast<PHINode>(User);
assert(ExitBlockSet.count(PN->getParent()) &&
"The LCSSA PHI is not in an exit block!");
// The PHI must be trivially replacable.
Instruction *New = sinkThroughTriviallyReplacablePHI(PN, &I, LI, SunkCopies,
SafetyInfo, CurLoop);
// The PHI must be trivially replaceable.
Instruction *New = sinkThroughTriviallyReplaceablePHI(PN, &I, LI, SunkCopies,
SafetyInfo, CurLoop);
PN->replaceAllUsesWith(New);
PN->eraseFromParent();
Changed = true;